| Customization: | Available |
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| Standard: | ANSI |
| Material: | Stainless Steel |
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Nai Lok Alloy C22 C276 Double Ferrules Union Tee Metric 8mm 10mm 12mm OD Nut Twin Ferrules Nuts Sliver Coat High Pressure Instrumernt Compression Tube Fitting
NAI LOK Super Duplex 2205 2507 and 2.5 Mo Molybdenum Union 6mm 8mm OD Compression Tube Fitting Instrument High Pressure Pipe Fitting
NAI LOK Alloy HC276 HC22 UNS N10276 N06022 Compression Tube Fitting 6000psi Weld Pipe Fitting 12mm 14mm Male Connector
The NAI-LOK High Pressure Reducing Union is engineered for superior performance in extreme-pressure instrumentation, hydraulic, and pneumatic systems. Featuring a double ferrule compression design, this fitting ensures a leak-proof, vibration-resistant seal, making it ideal for critical applications in oil & gas, chemical processing, petrochemical, and power generation industries.
6000 PSI (414 Bar) Pressure Rating - Withstands extreme high-pressure environments for reliable operation.
Double Ferrule Compression Design - Provides a secure, leak-free connection resistant to vibration and thermal cycling.
Corrosion-Resistant Materials - Constructed from Stainless Steel 316L, with optional premium alloys including 6Moly (S31254), HASTELLOY® (C22, C276, B3), Titanium, Nickel Alloys, INCOLOY® (825, 800), MONEL® 400, INCONEL® 625, and Super Duplex (S32750, 2507, 2205) for superior resistance to acids, chlorides, and seawater.
Precision Machined for Optimal Flow - Smooth internal bore minimizes pressure drop and ensures turbulence-free fluid/gas transmission.
NPT Thread (National Pipe Tapered) - Ensures a tight, pressure-resistant seal with standard piping systems.
BSPP,BSPT,SAE THREAD
1/16" to 2" Reducing Union - Compatible with a wide range of tubing sizes for flexible system integration.
Wide Industry Applications - Perfect for instrumentation tubing, process control, chemical injection, and high-pressure fluid/gas transfer.
| Parameter | Specification |
|---|---|
| Material | Body: 6Moly (S31254) / 316 Stainless Steel,HASTELLOY ® HC22 HC276 H-B3 UNS N10276 N10675 N10622, titanium, nickel alloys, INCOLOY ® 825, INCOLOY ® 800, MONEL® 400 N04400, INCONEL ® 625 UNS N06625, super duplex S32750 2507 2205 |
| Pressure Rating | 6000psi (414 bar) |
| Connection Type | NPT Male Thread (Tapered) ,BSPP,BSPT,NPT,SAE thread, Tube Fittings |
| Fitting Type | Union, Bulkhead Union,Union Tee, Union Elbow, Union Cross,Male Connector,Female Connector,Adapter, Reducer (Double Ferrule Compression) |
| Seal Type | Metal-to-Metal Compression (No PTFE Tape Needed) |
| Operating Temp. | -20°F to 1000°F (-29°C to 538°C) |
| Standards | ASME B1.20.1 (NPT), ASTM A182 (Stainless Steel) |
| Material Grade | UNS Number (®) | Key Characteristics & Typical Applications |
|---|---|---|
| Inconel® 625 | UNS N06625 | Excellent fatigue and thermal fatigue strength. Resists a wide range of severe corrosives. Ideal for seawater, aerospace, and chemical processing. |
| Monel® 400 | UNS N04400 | Superior resistance to seawater and steam at high temperatures. Excellent for marine and hydrocarbon applications. |
| Hastelloy® C22 | UNS N06022 | Outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking. Handles oxidizing and reducing media. |
| Hastelloy® C276 | UNS N10276 | Versatile corrosion resistance to a broad range of chemical process contaminants, including chlorides. |
| Hastelloy® B2 | UNS N10665 | Excellent resistance to reducing environments, especially hydrochloric acid at all concentrations and temperatures. |
| Hastelloy® B3 | UNS N10675 | Improved thermal stability and corrosion resistance over B2, with excellent resistance to hydrochloric acid. |
| Alloy 254 SMO® 6Mo 6Moly | UNS S31254 | Extremely high resistance to pitting and crevice corrosion, ideal for seawater and chloride-containing solutions. |
| Super Duplex® 2507 | UNS S32750 | High strength and excellent resistance to stress corrosion cracking, pitting, and crevice corrosion. |
| Duplex® 2205 | UNS S31803/S32205 | Good strength and improved resistance to stress corrosion cracking compared to standard stainless steels. |
| Alloy 904L | UNS N08904 | High chromium, nickel, molybdenum content provides excellent resistance to sulfuric acid and other aggressive chemicals. |
Oil & Gas - High-pressure pipelines, wellhead controls, and instrumentation.
Chemical & Petrochemical - Resistant to H2S, chlorides, and acidic media.solvent, and corrosive fluid handling
Power Generation - Steam, cooling, and hydraulic systems.
Pharmaceutical & Food Processing - High-purity fluid transfer (316 SS option).
Marine & Offshore - Seawater-resistant (6Moly S31254) for harsh environments
Aerospace & Defense (High-integrity fluid systems)
.Why Choose This Compression Tube Fitting?
Superior Leak Resistance - Double ferrule design prevents loosening under vibration.
High Corrosion Resistance - 6Moly (S31254) & 316 SS for aggressive media.
Easy Installation - No special tools required; hand-tighten plus 1-1/4 turns for a secure seal.
High Pressure Union Tee Fitting , 6Moly S31254 Instrumentation Fitting ,Double Ferrule Compression Fitting 6000psi
1 Inch NPT Male Stainless Steel Tee , 12mm OD Tube Fitting for Instrument Gas Systems
Corrosion-Resistant High-Pressure Union Tee , Industrial Instrument Compression Tube Fittings
Alternative Compression Fitting
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